Storage case for flat articles



FIG. 1 is a perspective view of a storage case for flat articles showing our new design;

FIG. 2 is a perspective view thereof in the open position;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom perspective view thereof in the closed position. 

The ornamental design for a storage case for flat articles, substantially as shown and described. 